Compare phones
| Global Score | |
| 98.1 | 75.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 12 |
| 2021-01-29 | 2022-11-01 |
| 6.50 x 2.98 x 0.35 inches | 6.42 x 2.99 x 0.31 inches |
| 8.04 ounces | 6.60 ounces |
| Phantom black and Silver | Frosted Blue, Onyx Black, Stardust Purple and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Dimensity 1080 MT6877V (6 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Mali-G68 MC4 GPU |
| 9.72 | 6.12 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 50.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 13.75 | 11.77 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S21 Ultra is a lot better than the Xiaomi Redmi Note 12 Pro, getting a 98.1 score against 75.7. These devices have Android OS (Operating System), but the Galaxy S21 Ultra has older 11 version and Xiaomi Redmi Note 12 Pro has Android 12 version. Galaxy S21 Ultra's body is older, somewhat heavier and thicker than the Xiaomi Redmi Note 12 Pro.
The Samsung Galaxy S21 Ultra has a much faster CPU than Xiaomi Redmi Note 12 Pro, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM memory. Galaxy S21 Ultra features a much better display than Xiaomi Redmi Note 12 Pro, because it has a quite bigger display, a way brighter screen, a higher resolution of 1440 x 3200 and a better pixels number in each inch of display.
Xiaomi Redmi Note 12 Pro's memory capacity to install games and applications is just as good as the Samsung Galaxy S21 Ultra one, they have the same 128 GB internal storage. The Xiaomi Redmi Note 12 Pro features a battery duration that is very similar to the battery performance in Galaxy S21 Ultra.
Galaxy S21 Ultra takes better photos and videos than Xiaomi Redmi Note 12 Pro, because it has a much better video resolution, a larger aperture to take better low-light photography and videos, a lot more megapixels camera in the back and a larger camera sensor providing a better image quality.
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